Predicting Reactions (AQA A-Level Chemistry): Quizzes

📚Quizzes
Revision NotesModel AnswersQuizzesFlashcardsExam Questions
Predicting Reactions
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

10 questions from this quiz

Show

What does a positive EcellθE^\theta_{\text{cell}} value indicate about a redox reaction?

The reaction is feasible

How should half-equations be written when predicting redox reactions?

As reduction reactions

Which half-equation undergoes oxidation?

The one with more negative EθE^\theta

Which half-equation undergoes reduction?

Less negative or more positive EθE^\theta

What is the formula for EcellθE^\theta_{\text{cell}}?

Eredθ−EoxθE^\theta_{\text{red}} - E^\theta_{\text{ox}}

What happens to EMF when Cu2+\text{Cu}^{2+} concentration increases in a Zn-Cu cell?

EMF increases

What happens to EMF when Zn2+\text{Zn}^{2+} concentration increases in a Zn-Cu cell?

EMF decreases

What happens to EMF when temperature increases in an exothermic voltaic cell?

EMF decreases

What happens to EMF when temperature decreases in an exothermic voltaic cell?

EMF increases

Which principle explains temperature effects on EMF in exothermic cells?

Le Chatelier's principle

Explore AQA A-Level Chemistry Revision Notes by Topics

Thermodynamics (A Level only)

Rate Equations (A Level only)

Equilibrium constant (Kp) for Homogeneous Systems (A Level only)

Electrode Potentials & Electrochemical Cells (A Level only)

Fundamentals of Acids & Bases (A Level only)

Further Acids & Bases Calculations (A Level only)

Explore AQA A-Level Chemistry Model Answers by Topics

Thermodynamics (A Level only)

Rate Equations (A Level only)

Equilibrium constant (Kp) for Homogeneous Systems (A Level only)

Electrode Potentials & Electrochemical Cells (A Level only)

Fundamentals of Acids & Bases (A Level only)

Further Acids & Bases Calculations (A Level only)

Explore AQA A-Level Chemistry Flashcards by Topics

Thermodynamics (A Level only)

Rate Equations (A Level only)

Equilibrium constant (Kp) for Homogeneous Systems (A Level only)

Electrode Potentials & Electrochemical Cells (A Level only)

Fundamentals of Acids & Bases (A Level only)

Further Acids & Bases Calculations (A Level only)

Explore AQA A-Level Chemistry Exam Questions by Topics

Thermodynamics (A Level only)

Rate Equations (A Level only)

Equilibrium constant (Kp) for Homogeneous Systems (A Level only)

Electrode Potentials & Electrochemical Cells (A Level only)

Fundamentals of Acids & Bases (A Level only)

Further Acids & Bases Calculations (A Level only)

Join 100,000+ A-Level students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.